Laserfiche WebLink
William Robbins Associates, Inc. <br /> PO Box 1936 <br /> Lafayette,CA 94549 <br /> Office: (925)283-1314 1 Cell: (510)703-1177 <br /> E-Mail: bill@wrai.comcastbiz.net <br /> December 7, 2015 <br /> To Whom It May Concern: <br /> Xerxes best practices procedure regarding the sequence of when to introduce monitoring fluid <br /> to a double wall sump interstice would be to maintain & monitor a continuous vacuum test until <br /> the tank backfill/drive slab construction has been completed and the tank is ready to be placed <br /> into service. At that point the vacuum test may be removed and the sump interstice filled with <br /> monitoring fluid per Xerxes sump installation instructions. <br /> Sincerely, <br /> glbL L TzobU1/1's <br /> Bill Robbins <br /> William Robbins Associates, Inc. <br /> Xerxes Sales Representative <br />